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. 2008 Dec 5;3(12):e3863. doi: 10.1371/journal.pone.0003863

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Wang-Sattler et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Two dimensional PLS-DA results of 283 individuals. The 28 current smokers are displayed in red, while 154 former smokers and 101 non-smokers are indicated in blue and green, respectively. Three dimensional PLS-DA results are shown in Figure S5A. (B) CA results of the current, former and non-smoker groups.